Zeroconf error - even though zeroconf not in my setup

[point-4ward]

Home Assistant release with the issue: 103.6

Last working Home Assistant release (if known): Not seen this before today, have had 103.6 installed since the day it was released

Operating environment (Hass.io/Docker/Windows/etc.): Hassio >Docker > Debian > Proxmox

Integration: Zeroconf

Description of problem: Error in log at startup as below

Problem-relevant configuration.yaml entries and (fill out even if it seems unimportant): N/A - zeroconf isn't in my config (I don't use default_config - so I guess it must be a dependency of something else I'm using but I don't know what??)

Traceback (if applicable):

2020-01-15 13:09:27 WARNING (zeroconf-Engine) [zeroconf] Choked at offset 0 while unpacking b'\n\xba\x10\x00'
2020-01-15 13:09:27 WARNING (zeroconf-Engine) [zeroconf] Exception occurred:
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 690, in __init__
    self.read_header()
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 713, in read_header
    ) = self.unpack(b'!6H')
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 700, in unpack
    info = struct.unpack(format_, self.data[self.offset : self.offset + length])
struct.error: unpack requires a buffer of 12 bytes

[probot-home-assistant[bot]]

Hey there @robbiet480, @Kane610, mind taking a look at this issue as its been labeled with a integration (zeroconf) you are listed as a codeowner for? Thanks!

[Kane610]

What are you running?

[point-4ward]

Define?

[Kane610]

What integrations are you running, if you think there is a dependency

[point-4ward]

I don't know if there's a dependency - if there isn't then that's a worry in itself that it's being loaded without being included.

Is there an easy way to pull all my integrations and platforms these days? Used to be on the info page in developer tools but it's gone now.

Or is there an easy way to find out what integrations and platforms depend on zeroconf and I can say which ones I use?

Otherwise it's going to take me a longwhile to go through everything and copy and paste it into a list :worried:

[Kane610]

You can see everything loaded in the logs, I don't know if there is any Gui element that will tell you

[point-4ward]

Not in my homeassistant log. If I watch the docker log there's a mad flurry at the start of it preloading every integration that exists, but that's not going to help as I obviously don't use all of them. Unless you're telling me that the preloading is installing them every time? But then it can't be otherwise I would have had the scene.create service even though I didn't have scenes in my configuration recently and had to add it so I could play with it.

[NvrBst]

I'm running 0.104.2, and have the same error. The error has been here for at least a month though. Same binary blob as the initial poster for me too. "b'\n\xba\x10\x00'".

2020-01-19 13:55:30 WARNING (zeroconf-Engine) [zeroconf] Choked at offset 0 while unpacking b'\n\xba\x10\x00'
2020-01-19 13:55:30 WARNING (zeroconf-Engine) [zeroconf] Exception occurred:
Traceback (most recent call last):
  File "c:\homeassistant\lib\site-packages\zeroconf\__init__.py", line 709, in __init__
    self.read_header()
  File "c:\homeassistant\lib\site-packages\zeroconf\__init__.py", line 732, in read_header
    ) = self.unpack(b'!6H')
  File "c:\homeassistant\lib\site-packages\zeroconf\__init__.py", line 719, in unpack
    info = struct.unpack(format_, self.data[self.offset : self.offset + length])
struct.error: unpack requires a buffer of 12 bytes

Integrations I've been running are: Plex, Google Cast, TP-Link, Homekit: Climate.

[point-4ward]

Only match here is tp-link, but I run lots lots more.

[lowgoz]

Im running Tp-link switches as well and am getting same.

`Exception occurred: 7:49 PM /usr/local/lib/python3.7/site-packages/zeroconf/init.py (WARNING) Choked at offset 0 while unpacking b'\n\xba\x10\x00'

7:49 PM /usr/local/lib/python3.7/site-packages/zeroconf/init.py (WARNING) Could not read state for 192.168.1.37: Communication error

7:46 PM components/tplink/switch.py (WARNING) - message first occurred at 7:40 PM and shows up 3 times`

Switch toggles on/off when error occurs as well.

[point-4ward]

https://github.com/home-assistant/home-assistant/blob/dev/homeassistant/components/tplink/manifest.json

Suggests that zeroconf isnt a dependency for tp-link, so its appears that something tp-link is doing is interfering with something else that has zeroconf as a dependency based on the information so far.

:confused:

[timdonovanuk]

Same here, after adding tplink to my config!

[pmthomps]

Same issue. Tplink is one of the few non-default integrations that I added. It's configured with auto-discovery. It's interrupting the discovery of some existing tplink devices.

arch	aarch64
dev	false
docker	true
hassio	true
os_name	Linux
python_version	3.7.6
timezone	America/Los_Angeles
version	0.106.5
virtualenv	false

[point-4ward]

Ooooh, forgot to update this issue. It's definitely tp-link. I had a massive refurb downstairs a few weeks ago and had to go offline.

When I hooked everything back up I didn't reinstall the tp-link sockets straight away as I was in a hurry and just needed the essentials back online.

As soon as I put them back in, I got this error message.

So, if someone can change/add the tag to tp-link please and notify the code owner, that would be ace :slightly_smiling_face:

[Kane610]

@mf-social the problem is still in the zeroconf library, not in the tp-link library

[point-4ward]

@Kane610 - yup, but zeroconf is not a dependency for tp-link, so something tp-link is doing is interfering with the zeroconf service. I don't think trying to sort out both ends of the problem is an unreasonable idea.

[Pirol62]

I do have this error as well fom time to time (at least once a day mostly during the night)

Logger: zeroconf
Source: /usr/local/lib/python3.7/site-packages/zeroconf/__init__.py:365
First occurred: 1:41:59 (1 occurrences)
Last logged: 1:41:59

Choked at offset 0 while unpacking b'\n\xba\x10\x00'

and then next:

Logger: zeroconf
Source: /usr/local/lib/python3.7/site-packages/zeroconf/__init__.py:366
First occurred: 1:41:59 (1 occurrences)
Last logged: 1:41:59

Exception occurred:
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 713, in __init__
    self.read_header()
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 736, in read_header
    ) = self.unpack(b'!6H')
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 723, in unpack
    info = struct.unpack(format_, self.data[self.offset : self.offset + length])
struct.error: unpack requires a buffer of 12 bytes

I run hassio 107.7 on rasp 3+ TP-Link - 2 switches

[bdraco]

The following integrations are using Zeroconf:

• zeroconf
• homekit
• cast
• vizio via pyvizio
• dyson via libpurecool
• esphome via aioesphomeapi
• discovery via netdisco

[bdraco]

zeroconf already traps these exceptions in DNSIncoming so it shouldn't cause any issues other than an annoying warning in the log.

        try:
            self.read_header()
            self.read_questions()
            self.read_others()
            self.valid = True

        except (IndexError, struct.error, IncomingDecodeError):
            self.log_exception_warning(('Choked at offset %d while unpacking %r', self.offset, data))

Is this actually causing an a visible issue other than the log spam?

[CoreyVidal]

I, too, have set zeroconfig default_interface: true, have tp-link, and am getting the same errors:

2020-06-09 19:58:15 WARNING (zeroconf-Engine-140231346141984) [zeroconf] Choked at offset 0 while unpacking b'\n\xba\x10\x00'
2020-06-09 19:58:15 WARNING (zeroconf-Engine-140231346141984) [zeroconf] Exception occurred:
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 714, in __init__
    self.read_header()
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 751, in read_header
    ) = self.unpack(b'!6H')
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 738, in unpack
    info = struct.unpack(format_, self.data[self.offset : self.offset + length])
struct.error: unpack requires a buffer of 12 bytes

[mcfrojd]

I get this zeroconf error but it seems to be from Tradfri Gateway Not sure if it started when i re-added the gateway a week ago, or if it came after any update (core or supervisor) I am running Deconz to, i had to add the gateway back to make Fyrtur covers to work.

Logger: zeroconf
Source: /usr/local/lib/python3.7/site-packages/zeroconf/__init__.py:365
First occurred: 16:58:33 (1 occurrences)
Last logged: 16:58:33

Choked at offset 380 while unpacking b'\x00\x00\x84\x00\x00\x00\x00\x05\x00\x00\x00\x00\x04_hap\x04_tcp\x05local\x00\x00\x0c\x00\x01\x00\x00\x11\x94\x00!\x0fTRADFRI gateway\x04_hap\x04_tcp\x05local\x00\x0fTRADFRI gateway\x04_hap\x04_tcp\x05local\x00\x00\x10\x80\x01\x00\x00\x11\x94\x00T\x04c#=2\x04ff=1\x14id=B4:37:8A:B7:96:46\x12md=TRADFRI gateway\x06pv=1.1\x04s#=1\x04sf=1\x04ci=2\x0bsh=J5dBEg==\x0fTRADFRI gateway\x04_hap\x04_tcp\x05local\x00\x00!\x80\x01\x00\x00\x00x\x00\x08\x00\x00\x00\x00\x00P\x00\x00\x00\x00\x00\x01\x80\x01\x00\x00\x00x\x00\x04\xc0\xa8o\xda\x00\x00\x00\x1c\x80\x01\x00\x00\x00\x00\x00\x10\x00\xf0>\xb0z\x80\x12\xeaz\x80\x12\xeaz\x80\x12\xea'
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 706, in __init__
    self.read_others()
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 777, in read_others
    domain = self.read_name()
  File "/usr/local/lib/python3.7/site-packages/zeroconf/__init__.py", line 838, in read_name
    length = self.data[off]
IndexError: index out of range

[stowers95120]

I get this zeroconf error and in addition all my TP-Link switches have disappeared (and rerunning the integration just says it can't discover any TP-Link devices and aborts).

[RogerSelwyn]

I'm not running TP-Link, but just started getting these errors after upgrade to 0.112.0

[b0kar]

Had the same problem with TP-Link integration this morning Root cause was that the IP address defined for this device in configuration.yaml had changed because of expired dhcp lease and it was used by another device (non tp-link). Resolved by assigning fixed IP address to the tp-link devices matching the one defined in configuration.yaml

[TomBrandt]

Had the same problem with TP-Link integration this Today I agrees that the IP address is the problem. Fix through Router assigning Static IP Address. Also I have found that entries for each TPlink device in Configuration.yaml Solves the HS100 TPlink Switches being occasionally unavailable after a restart of Home Assistant.

[blamaz]

Also getting this error after upgrading to 0.113.0

Logger: zeroconf Source: /usr/local/lib/python3.8/site-packages/zeroconf/init.py:365 First occurred: 23 juillet 2020 à 22:14:47 (1 occurrences) Last logged: 23 juillet 2020 à 22:14:47

Choked at offset 109 while unpacking b'\x00\x00\x84\x00\x00\x00\x00\x04\x00\x00\x00\x01\x00\x00\x0c\x00\x01\x00\x00\x01,\x00\x04\x02\x880\x00\x02\x880\x00\x00!\x80\x01\x00\x00\x01,\x00\x0b\xf3\x08\x80\xef\xf3\t\x03\x81rF\x00\nMyQ-8FD-34\x05local\x00\x00\x01\x80\x01\x00\x00\x01,\x00\x04\xc0\xa8\x01o\x02\x880\x00\x00/\x80\x01\x00\x00\x01,\x00\x0b\x02\x880\x00\x00\x05\x00\x08\x00\x00@' Traceback (most recent call last): File "/usr/local/lib/python3.8/site-packages/zeroconf/init.py", line 706, in init self.read_others() File "/usr/local/lib/python3.8/site-packages/zeroconf/init.py", line 777, in read_others domain = self.read_name() File "/usr/local/lib/python3.8/site-packages/zeroconf/init.py", line 838, in read_name length = self.data[off] IndexError: index out of range

[LukasQ]

same here in 0.114.0. I receive zeroconf errors with a TRADFRI string, but already deleted the integration. No TP link, no cast integration.

[jhanvipandyacom]

Any solution to this trouble?

I have TP-Link bulbs and they are in HomeKit. Get the same error. Also, one of the bulb doesn’t respond to Siri, however all the tplink stuff responds as usual.

[jokerigno]

I have this warning message related to Zeroconf too:

_Detected code that attempted to create another Zeroconf instance. Please use the shared Zeroconf via await homeassistant.components.zeroconf.async_getinstance(hass). Please report this issue.

I do run a tp link integration

[blamaz]

Still having this issue but II don't run a tp link integration

[bdraco]

https://github.com/jstasiak/python-zeroconf/issues/308

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